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Influence of apex angles of limiting conic surfaces on the hysteresis of the shape of a magnetic fluid drop on a line conductor

A. S. Vinogradova1, 2 - V. A. Naletova1, 2 - V. A.Turkov2 - A. G. Reks3

1 Department of Hydromechanics, Faculty of Mechanics and Mathematics, Lomonosov Moscow State University, 1 Leninskiye Gory, 119992, Moscow, Russia
2 Institute of Mechanics, Lomonosov Moscow State University, 1 Michurinsky Pr., 119192, Moscow, Russia
3 UNESCO Chair, Belarusian National Technical University, 65 Pr. Nezavisimosti, 220013, Minsk, Belarus

In this paper, the behaviour of a finite magnetic fluid volume on the axially symmetric surface of variable cross-section (a line conductor with current is located on its axis) is investigated. Here we consider a particular case of the surface shape of two conical surfaces with different apex angles, which have a common axis and intersect in a circle of the radius of the conductor. The possibility of the fluid shape hysteresis for a cyclic increase and decrease of the current and of spasmodic drop thickness changes at certain values of the current is considered. Figs 2, Refs 6.

Magnetohydrodynamics 49, No. 3/4, 350-354, 2013 [PDF, 0.19 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X